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December 22nd, 2025 :: 1:30 pm CST   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated December 22nd at 11:54 am 
Partly Sunny
Temperature:46°F Dew Point:21°F
Barometer:30.18 inHg Wind:N 26 Mph
Humidity:36.3% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Dec 22nd
Tuesday
Dec 23rd
Wednesday
Dec 24th
Thursday
Dec 25th
Friday
Dec 26th
Cloudy Cloudy Cloudy Cloudy Cloudy
46°F
56°F
39°F
55°F
36°F
59°F
50°F
62°F
41°F
 
 Decatur Detailed Weather Forecast  
 
Monday, December 22nd, 2025
Afternoon Temperature: 43°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 42°F
Clear. Windy at times.
Tuesday, December 23rd, 2025
Overnight Temperature: 45°F
Cloudy. Windy at times.
Morning Temperature: 52°F
Sunny. Windy at times.
Afternoon Temperature: 46°F
Sunny with cloudy periods.
Evening Temperature: 41°F
A mix of cloudy and clear skies.
Wednesday, December 24th, 2025
Overnight Temperature: 36°F
Cloudy.
Morning Temperature: 44°F
Cloudy. Windy at times.
Afternoon Temperature: 48°F
Cloudy.
Evening Temperature: 53°F
Cloudy with a chance of showers.
Thursday, December 25th, 2025
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 53°F
Cloudy.
Afternoon Temperature: 54°F
Cloudy.
Evening Temperature: 57°F
Cloudy with a chance of showers. Windy at times.
Friday, December 26th, 2025
Overnight Temperature: 61°F
Clear with cloudy periods with a chance of showers. Windy.
Morning Temperature: 54°F
Cloudy. Windy at times.
Afternoon Temperature: 49°F
Cloudy.
Evening Temperature: 43°F
A mix of cloudy and clear skies.
Saturday, December 27th, 2025
Overnight Temperature: 40°F
Cloudy.
Morning Temperature: 49°F
Cloudy. Windy at times.
Afternoon Temperature: 50°F
Cloudy.
Evening Temperature: 48°F
A mix of cloudy and clear skies.
Sunday, December 28th, 2025
Overnight Temperature: 42°F
Cloudy. Windy.
Morning Temperature: 36°F
Cloudy. Windy at times.
Afternoon Temperature: 33°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 29°F
Cloudy.
Monday, December 29th, 2025
Overnight Temperature: 27°F
Cloudy.
Morning Temperature: 33°F
Cloudy.
Afternoon Temperature: 31°F
A mix of cloud and sun.
Evening Temperature: 27°F
Clear.
Tuesday, December 30th, 2025
Overnight Temperature: 25°F
A mix of cloudy and clear skies.
Morning Temperature: 32°F
Cloudy.
Afternoon Temperature: 32°F
Cloudy.
Evening Temperature: 33°F
Cloudy with a chance of flurries or showers. Windy at times.





 

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11:53 AM  45°F
 
 
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11:55 AM  41°F
Overcast
 
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11:53 AM  45°F
 

 
This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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